A Reconfigurable Microwave Combline Filter

A Reconfigurable Microwave Combline Filter

A general cascaded filter design technique is implemented to get a tunable narrow-band filter response based on the general Chebyshev bandpass filter. A cavity combline microwave filter is fabricated by cascading two asymmetrical filters without using an isolator between them. Tuning is provided by...

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Veröffentlicht in:IEEE transactions on circuits and systems. II, Express briefs Express briefs, 2016-01, Vol.63 (1), p.84-88
1. Verfasser: Yuceer, Mehmet
Format: Artikel
Sprache:eng
Schlagworte:
Asymmetry
Band-pass filters
bandpass
Capacitance
cascaded filters
Circuits
combline
Couplings
cross coupling
Filtering theory
Holes
Isolators
Microwave filters
Microwaves
Optimization
reconfigurable
Resonator filters
Simulation
tunable
Tuning
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Beschreibung
Zusammenfassung:A general cascaded filter design technique is implemented to get a tunable narrow-band filter response based on the general Chebyshev bandpass filter. A cavity combline microwave filter is fabricated by cascading two asymmetrical filters without using an isolator between them. Tuning is provided by means of the screws on top of each resonator of the cavity combline filter. An optimization is applied to get the desired response. The designed example is presented together with the simulation and measurement results. The measured data are in good agreement with the simulation results.
ISSN:1549-7747
1558-3791
DOI:10.1109/TCSII.2015.2504010